Alert USA
weather NWS severe Kauai, HI September 7, 2026 at 8:17 PM

Flash Flood Warning

FFWHFO

The National Weather Service in Honolulu has issued a

* Flash Flood Warning for... The island of Kauai in Kauai County

* Until 115 PM HST.

* At 1017 AM HST, areas of heavy rain have been moving over Kauai from southeast to northwest over the past couple of hours with rain rates around 1 to 2 inches per hour. Water levels at the Hanalei River gage upstream of the bridge have risen significantly over the past hour and flooding is expected further downstream toward Hanalei town, includin

Flooding in Kauai, HI can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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